Finding the Fourth Proportional to 1,190.58, 1,786 and 532.44
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Solution
The fourth proportional to 1,190.58, 1,786 and 532.44 is: 798.72
Step by Step Solution
- Step 1: Write the proportion equation
1,190.58 : 1,786 = 532.44 : x - Step 2: Convert to fraction form
1,190.58/1,786 = 532.44/x - Step 3: Cross multiply
1,190.58x = 1,786 × 532.44 - Step 4: Simplify right side
1,190.58x = 950,937.84 - Step 5: Solve for x
x = 950,937.84/1,190.58 - Step 6: Final answer
x = 798.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.